Home / 98,700,830.70-136,211,402.19-54,647,828.22

Finding the Fourth Proportional to 98,700,830.70, 136,211,402.19 and 54,647,828.22

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Solution

The fourth proportional to 98,700,830.70, 136,211,402.19 and 54,647,828.22 is: 75,416,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,700,830.70 : 136,211,402.19 = 54,647,828.22 : x
  2. Step 2: Convert to fraction form
    98,700,830.70/136,211,402.19 = 54,647,828.22/x
  3. Step 3: Cross multiply
    98,700,830.70x = 136,211,402.19 × 54,647,828.22
  4. Step 4: Simplify right side
    98,700,830.70x = 7,443,657,308,484,452
  5. Step 5: Solve for x
    x = 7,443,657,308,484,452/98,700,830.70
  6. Step 6: Final answer
    x = 75,416,359.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.